Roy (Shanghai) Co., Ltd. is a filtration technology professional in the field of industrial development, production, sales compressor filter intake system and related components and parts manufacturing enterprises as a whole, has first-class production equipment, perfect quality management system, through innovative research and development and work closely with global buyers close cooperation to provide customers with customer needs most cost-effective and efficient products. Technology leadership, individual design based on the company of "truth, trustworthy, high-quality, innovative" air compressor market to overseas customers&＃039; commitment to-heart, hand handshake service. "